The upside is that both Fear of Missing Out and Fable of the Mirror-Breaker are powerful cards in their own right
This came to its worst point yet with the Commander Legends expansion set back late last year, and nobody really knows what to do about this on a consumer level
Cards like Spectral Procession and Battle Screech feel like they were custom-made for this deck due to their efficiency, and Hanged Executioner gives you some utility at a slightly higher rate
Some options include Academy Ruins, which can return an artifact from your graveyard to your hand, and Minamo, School at Water's Edge, which can untap a legendary permanent, such as a creature or artifact
Theyre always colorless cards in your hand but are treated as their new color if you pay the prototype cost
The fact that it returns the creatures to play rather than regenerating them is huge, as it allows decks to be built around exploiting the death triggers of cheap creatures